I just noticed that the Grobo 2 has the power cord towards the top of the unit. There is a thread on here for creating an external fan and filter to eliminate odors. I just realize that this modification will not work on the Grobo 2 as a result of the power cord placement at the top of the unit. I was just curious if anyone had figured out a solution for this yet.
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My first grow it smelled a little sure, I added a $4 Febreze plug right outside the Grobo room. I don’t smell anything.